C500TS502 Omron, C500TS502 Datasheet - Page 22

• Manufacturer Part Number: C500TS502
• Description: RTD INPUT MODULE
• Manufacturer: Omron

Specifications of C500TS502

• Leaded Process Compatible: No
• Peak Reflow Compatible (260 C): No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Overview
4- -1
4- -1- -1
4- -1- -2
Input Signal Ranges vs A/D Conversion Data Diagram
16
260
-101
0
BCD 8101
Binary (Temp x 10) FCDE
Overview
Theory of Operation
A/D Conversion
Reported data °C
Celsius
Binary (Temp x 10) 0A28
The C500-TS502 RTD Input module offers maximum application flexibility
and high performance processing by combining the latest in analog and soft-
ware technology to provide:
• Flexible configuration options
• High point density
• High accuracy and conversion speed
• Advanced intelligent functions
This section describes the module operation and performance of the intelli-
gent functions that are built into the module.
The module sends a small current through the RTD device and converts the
resulting voltage to digital values that are available to the programmable con-
troller ladder logic program for processing. A microprocessor allows the mod-
ule to perform advanced intelligent functions on the converted data prior to
being accessible to the controller. The module’s microprocessor reduces the
amount of ladder logic required to perform intelligent functions such as scal-
ing, averaging, filtering, peak hold, and alarming. These functions are
executed in the module which reduce the burden on the programmable con-
troller. For specific programming examples refer to Section 5.
The module converts the RTD signals immediately to numbers for the PLC.
the conversions are linear. The linearization is based on DIN 43760,
α = 0.00385 (European) for platinum; Minco standard “Nickel A”, α = 0.00672
for nickel; and Minco standard 9.035 Ω copper (10 Ω at 25°C), α = 0.00427
for copper.
The following graphs show the conversion of various input signal types and
the resulting digital numbers. The conversions are linear. These numbers can
be transferred to the programmable controller or processed further in the
module using intelligent functions.
BCD 0260
10 Ω Copper Range
-149
500
0
BCD 8149
Binary (Temp x 10) FA2E
Fahrenheit
Reported data °F
Binary (Temp x 10) 1388
Section 4- -1
BCD 0500